Stepping into Costco for the first time can feel like entering a small city. That is not hyperbole. The average Costco warehouse is 150,000 to 160,000 square feet — roughly three full American football fields of retail space, stacked floor-to-rafters with merchandise, organized in a way that is specifically designed to slow you down, encourage exploration, and help you discover things you did not know you wanted to buy. The ceilings are thirty feet high. The shopping carts ar